exostome
noun
ex·o·stome
ˈeksəˌstōm
plural -s
1
botany : the opening of the outer integument of an ovule that has two integuments
2
: the outer part of the peristome of a moss
Word History
Etymology
International Scientific Vocabulary exo- + -stome; probably originally formed in French
- forward observer
- forward of
- forward of the beam
- forward pass
- forward play
- forward-looker
- forward-looking
- forward-thinking
- forwardal
- forwarded
- forwarder
- forwarders
- forwardest
- forwarding
- forwarding address
- forwardings
- forwardlier
- forwardliest
- forwardly
- forwardness
- forwardnesses
- forwards
- forwarn
- forwarned
- forwarning